Home / 27,119.56-40,605.92-19,189.48

Finding the Fourth Proportional to 27,119.56, 40,605.92 and 19,189.48

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Solution

The fourth proportional to 27,119.56, 40,605.92 and 19,189.48 is: 28,732.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,119.56 : 40,605.92 = 19,189.48 : x
  2. Step 2: Convert to fraction form
    27,119.56/40,605.92 = 19,189.48/x
  3. Step 3: Cross multiply
    27,119.56x = 40,605.92 × 19,189.48
  4. Step 4: Simplify right side
    27,119.56x = 779,206,489.72
  5. Step 5: Solve for x
    x = 779,206,489.72/27,119.56
  6. Step 6: Final answer
    x = 28,732.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.